Mike's PBX Cookbook

4550T Configuration for PBX use

Usually, we'll create two independent Virtual LANs (VLANs) on the switch, one for the ELAN, and one for the TLAN. With newer switch firmware, its possible to enable routing from one virtual LAN to another. This has the advantage on enabling access to the TLAN from the ELAN, for example to administer BCM's hooked to the TLAN.

Check the current firmware version with show sys-info, and perform a firmware upgrade if required.

Setup:

Now we can continue using the web interface... (use Port 1 as the management port)

Stack Configuration

Connect Baystacks in Stack Configuration and power up Non Base Units first!
Power up Base Unit (set switch on rear to BASE first, in Cab 0) and wait three minutes, if CNTL+Y is entered before time is up, it will set as Switch IP

Cntl+Y, initiate Baystack Stack Config NO MENU SELECTIONS AT ANY POINT
Set lead parameters:

Change Stack IP Address

  1. Change PC or Laptop IP Scheme to match Baystack Stack subnet.
  2. Place Ethernet cable into PC and preferred odd number port of Baystack.
  3. Open a browser window, and enter the IP address of the Stack IP to access the web GUI.
  4. Go to CONFIGURATION, IP, DISABLE BOOTP and update IP Scheme
  5. Continue to separate the V LAN and T LAN

Separate the V LAN and T LAN

  1. CONFIGURATION > PORT MANAGEMENT > ensure AUTONIGOCIATE is ENABLED (default)
  2. APPLICATIONS > VLAN > VLAN CONFIGURATION
    1. Under VLAN Table, select ACTION Notepad (NOT the X)
    2. Enter VLAN 1 Name "ELAN"
    3. Deselect all EVEN ports in Ports Membership
    4. Press Submit
    5. Select CREATE VLAN
    6. VLAN, enter 2
    7. VLAN Name, enter TLAN
    8. Press Submit
    9. Change VLAN CONFIG CONTROL SETTIG to AUTO PVID
    10. Press Submit
    11. Under VLAN Table, select TLAN ACTION Notepad (NOT the X)
    12. Select all EVEN ports in Ports Membership
    13. Press Submit
  3. APPLICATIONS > VLAN, VLAN PORT CONFIGURATION > ensure TAGGING is set to UNTAG ALL (default)
  4. APPLICATIONS > SPANNING TREE > PORT CONFIGURATION > Change PARTICIPATION to NORMAL LEARNING by setting SWITCH and STACK to NORMAL LEARNING, check the box and Press Submit. DEFAULT has PARTICIPATION to NORMAL LEARNING ON ODD PORTS
  5. ADMINISTRATION > RESET > reset entire stack > YES

Activate Routing (optional)

To activate routing (between E and T-LANs), make sure you're at the latest firmware, then follow these steps. Hit "Apply" after each change.

VLAN > SETTINGS > make sure autopvid is set
VLAN > TLAN > SETTINGS > assign ip address (match ELAN for consistency)
VLAN > TLAN > SETTINGS > (scroll way right) set routing to TRUE
IP ROUTING > IP > turn on forwarding

Once the switch is set, make tunnels to get from place to place.

Configuration Backup

From the TTY, issue the following commands (with a TFTP server running on 10.10.10.1):

save config
copy running tftp address 10.10.10.1 filename ers.cfg

Note: Details about setting up a local TFTP server, such as SolarWinds or PumpKIN, can be found elsewhere. Running a TFTP server is hightly recommended. A TFTP server on your ELAN will assist with soft/firm/load-ware updates and configuration backups.

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